MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff15be1ad58f4f1423e39ca96c88564f67d5841b7fef3c6b109bea43ec8a8b45. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AgentTesla


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: ff15be1ad58f4f1423e39ca96c88564f67d5841b7fef3c6b109bea43ec8a8b45
SHA3-384 hash: 50c8e323e170341963ebcdecc617b929a489e593f28a7c42d878b24777732091de037c5e1026d0c617ace18d50a75e38
SHA1 hash: 82744b9cbb7bbd407d70b6890edaa1573f618c81
MD5 hash: 9d8547af5f6a6d9d1da9e96b24945c56
humanhash: freddie-arizona-vegan-mike
File name:Spare Part (KITO)__________.exe
Download: download sample
Signature AgentTesla
File size:1'126'912 bytes
First seen:2020-08-31 06:24:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 73ae1eef07955a270fc7a7f873444c85 (16 x AgentTesla, 8 x MassLogger, 5 x Loki)
ssdeep 12288:dR/MXPsQjiTiCAeeJpWkjumgIvSQCutDEVFbtir4247AQrns/EdSsHRFKY4a9kWy:/QvrCXEucruic247nrns/lsHR0awYk+6
Threatray 10'630 similar samples on MalwareBazaar
TLSH 8B357C63F2DE44BFC1721A389E3B53B6582ABE03693468457BE4DD4C4E3928538352E7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: icoolglobal.com
Sending IP: 185.222.57.238
From: Gary <garyxu@icoolglobal.com>
Subject: RFQ: Spare Part (KITO)
Attachment: Spare Part KITO__________.gz (contains "Spare Part (KITO)__________.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a recently created process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Sigma detected: Suspicious Double Extension
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279846 Sample: Spare Part (KITO)__________.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 10 other signatures 2->37 7 Spare Part (KITO)__________.exe 2->7         started        10 wscript.exe 1 2->10         started        process3 signatures4 39 Writes to foreign memory regions 7->39 41 Allocates memory in foreign processes 7->41 43 Maps a DLL or memory area into another process 7->43 45 Queues an APC in another process (thread injection) 7->45 12 Spare Part (KITO)__________.exe 2 7->12         started        16 notepad.exe 1 7->16         started        18 Spare Part (KITO)__________.exe 10->18         started        process5 dnsIp6 27 smtp.yandex.ru 77.88.21.158, 49714, 587 YANDEXRU Russian Federation 12->27 29 smtp.yandex.com 12->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->47 49 Tries to steal Mail credentials (via file access) 12->49 51 Tries to harvest and steal ftp login credentials 12->51 53 Tries to harvest and steal browser information (history, passwords, etc) 12->53 55 Drops VBS files to the startup folder 16->55 57 Delayed program exit found 16->57 59 Writes to foreign memory regions 18->59 61 Allocates memory in foreign processes 18->61 63 Maps a DLL or memory area into another process 18->63 20 notepad.exe 1 18->20         started        23 Spare Part (KITO)__________.exe 18->23         started        signatures7 process8 file9 25 C:\Users\user\AppData\...\pavilion.vbs, ASCII 20->25 dropped
Threat name:
Win32.Trojan.DelfInject
Status:
Malicious
First seen:
2020-08-30 21:56:47 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe ff15be1ad58f4f1423e39ca96c88564f67d5841b7fef3c6b109bea43ec8a8b45

(this sample)

  
Delivery method
Distributed via e-mail attachment

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